US3240526A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Trailer hoist
Assignee: Esco Corp
•
Filing: 1964-01-09
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Granted: 1966-03-15
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Expires: 1984-01-09
Abstract
No abstract record available.
Inventors
- 👤 Edward T Schopf
- 👤 Leslie G Ehmann
- 👤 Melvin M Northe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 23:10
CPC Classifications
B; B60; B60P; B60P7/00; B60P7/06; B60P7/08; B60P7/0807; Y; Y10; Y10S; Y10S294/00; Y10S294/904; Y10T; Y10T29/00; Y10T29/53; Y10T29/53991
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
188 words
A TRAILER HOIST, COMPRISING A POCKET PIECE AND A CLEVIS PIECE REMOVABLY RECEIVED IN SAID POCKET PIECE, SAID POCKET PIECE BEING RELATIVELY ELONGATED TO DEFINE A CENTRAL OPENING EXTENDING TRANSVERSELY THERETHROUGH FOR THE RECEIPT OF SAID CLEVIS PIECE, SAID OPENING BEING LONGITUDINALLY ENLARGED TO PROVIDE A PAIR OF SPACED-APART POCKETS ADAPTED TO RECEIVE THE FERRULE-EQUIPPED ENDS OF HOIST LOOP AND CONFINE THE SAME AGAINST TRANSVERSE MOVEMENT WHEN SAID CLEVIS PIECE IS RECEIVED IN SAID OPENING, AND MEANS OPERABLY ASSOCIATED WITH SAID CLEVIS PIECE FOR LIMITING THE TRANSVERSE MOVEMENT OF SAID CLEVIS PIECE WHEN SUBJECTED TO LOAD SAID OPENING BEING GENERALLY SYMMETRICAL ON A PLANE NORMAL TO THE DIRECTION OF SAID TRANSVERSE MOVEMENT, SAID CLEVIS PIECE CONFORMING TO SAID OPENING WHEREBY SAID CLEVIS PIECE IS ADAPTED TO BE ARRANGED IN THE PLURALITY OF ORIENTATIONS RELATIVE TO SAID POCKET PIECE, SAID OPENING BEING GENERALLY SQUARE IN SAID PLANE, SAID CLEVIS PIECE BEING EQUIPPED WITH A CLEVIS PINHOLE AT THE END THEREOF RECEIVED IN SAID POCKET PIECE WHEREBY A CLEVIS PIN IS ADAPTED TO BE ORIENTED PARALLEL OR NORMAL TO A HOIST LOOP HAVING ITS ENDS SECURED IN SAID SPACED-APART POCKETS.
Claim 2
Dependent Claim
188 words
A TRAILER HOIST, COMPRISING A POCKET PIECE AND A CLEVIS PIECE REMOVABLY RECEIVED IN SAID POCKET PIECE, SAID POCKET PIECE BEING RELATIVELY ELONGATED TO DEFINE A CENTRAL OPENING EXTENDING TRANSVERSELY THERETHROUGH FOR THE RECEIPT OF SAID CLEVIS PIECE, SAID OPENING BEING LONGITUDINALLY ENLARGED TO PROVIDE A PAIR OF SPACED-APART POCKETS ADAPTED TO RECEIVE THE FERRULE-EQUIPPED ENDS OF HOIST LOOP AND CONFINE THE SAME AGAINST TRANSVERSE MOVEMENT WHEN SAID CLEVIS PIECE IS RECEIVED IN SAID OPENING, AND MEANS OPERABLY ASSOCIATED WITH SAID CLEVIS PIECE FOR LIMITING THE TRANSVERSE MOVEMENT OF SAID CLEVIS PIECE WHEN SUBJECTED TO LOAD SAID OPENING BEING GENERALLY SYMMETRICAL ON A PLANE NORMAL TO THE DIRECTION OF SAID TRANSVERSE MOVEMENT, SAID CLEVIS PIECE CONFORMING TO SAID OPENING WHEREBY SAID CLEVIS PIECE IS ADAPTED TO BE ARRANGED IN THE PLURALITY OF ORIENTATIONS RELATIVE TO SAID POCKET PIECE, SAID OPENING BEING GENERALLY SQUARE IN SAID PLANE, SAID CLEVIS PIECE BEING EQUIPPED WITH A CLEVIS PINHOLE AT THE END THEREOF RECEIVED IN SAID POCKET PIECE WHEREBY A CLEVIS PIN IS ADAPTED TO BE ORIENTED PARALLEL OR NORMAL TO A HOIST LOOP HAVING ITS ENDS SECURED IN SAID SPACED-APART POCKETS.
References Cited (Backward Citations)
US2551803A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-14 | 1969-09-13 | 1970-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-14 | 1973-09-13 | 1974-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-14 | 1977-09-13 | 1978-03-15 | $7700.00 | Window Closed / Lapsed |